21321937803992

Names of 21321937803992

• Cardinal: 21321937803992 can be written as Twenty-one trillion, three hundred twenty-one billion, nine hundred thirty-seven million, eight hundred three thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.1321937803992 × 10¹³

Factors of 21321937803992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8737292

Divisors of 21321937803992

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 28 41 56 82 164 287 328 574 1063 1148 2126 2296 4252 7441 8504 14882 29764 43583 59528 87166 174332 305081 348664 610162 1220324 2440648 8736179 17472358 34944716 61153253 69889432 122306506 244613012 358183339 489226024 716366678 1432733356 2507283373 2865466712 5014566746 9286558277 10029133492 18573116554 20058266984 37146233108 65005907939 74292466216 130011815878 260023631756 380748889357 520047263512 761497778714 1522995557428 2665242225499 3045991114856 5330484450998 10660968901996 21321937803992
• Sum of all divisors σ(n): 46848289420800
• Sum of proper divisors (its aliquot sum) s(n): 25526351616808
• 21321937803992 is an abundant number, because the sum of its proper divisors (25526351616808) is greater than itself. Its abundance is 4204413812816

Bases of 21321937803992

• Binary: 100110110010001100110100001110101101011011000₂
• Hexadecimal: 0x136466875AD8
• Base-36: 7K35V932W

Squares and roots of 21321937803992

• 21321937803992 squared (21321937803992²) is 454625031717303191411136064
• 21321937803992 cubed (21321937803992³) is 9693486650414228957625211724058074367488
• The square root of 21321937803992 is 4617568.3864986775
• The cube root of 21321937803992 is 27729.5118327651

Scales and comparisons

• 21,321,937,803,992 seconds is equal to 677,971 years, 34 weeks, 5 days, 13 hours, 6 minutes, 32 seconds.
• To count from 1 to 21,321,937,803,992 would take you about one million, six hundred ninety-four thousand, nine hundred twenty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21321937803992 cubic inches would be around 2310.8 feet tall.

Recreational maths with 21321937803992

• 21321937803992 backwards is 29930873912312
• The number of decimal digits it has is: 14
• The sum of 21321937803992's digits is 59
• More coming soon!